Home / 121,788,688.30-182,683,032.45-30,912,277.30

Finding the Fourth Proportional to 121,788,688.30, 182,683,032.45 and 30,912,277.30

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Solution

The fourth proportional to 121,788,688.30, 182,683,032.45 and 30,912,277.30 is: 46,368,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,788,688.30 : 182,683,032.45 = 30,912,277.30 : x
  2. Step 2: Convert to fraction form
    121,788,688.30/182,683,032.45 = 30,912,277.30/x
  3. Step 3: Cross multiply
    121,788,688.30x = 182,683,032.45 × 30,912,277.30
  4. Step 4: Simplify right side
    121,788,688.30x = 5,647,148,557,099,298
  5. Step 5: Solve for x
    x = 5,647,148,557,099,298/121,788,688.30
  6. Step 6: Final answer
    x = 46,368,415.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.